A298381 - OEIS

A298381

Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero.

1, 130, 200, 1502, 12982, 94292, 682833, 5489368, 43729967, 338622211, 2701303036, 21549495059, 171045426415, 1363643670602, 10880013007248, 86778764601030, 692319891192971, 5525776843276263, 44104027596135023, 352017919085525224

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Column 7 of A298382.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=6

..0..0..1..1..1..0..0. .0..0..1..0..0..0..0. .0..0..0..0..0..1..0

..1..0..1..1..1..0..1. .0..1..1..0..1..1..0. .0..1..1..1..0..0..0

..1..1..0..1..0..1..1. .1..0..0..0..0..1..1. .0..1..0..0..1..0..1

..1..0..1..1..0..0..0. .1..1..1..1..1..0..1. .0..0..0..1..1..0..0

..0..0..1..1..1..0..0. .0..0..0..1..0..0..1. .0..1..0..0..1..0..1

..0..1..1..0..1..0..0. .1..0..1..1..1..1..1. .1..1..1..1..0..0..0

CROSSREFS

Cf. A298382.

Sequence in context: A050238 A115937 A365833 * A299248 A299457 A300095

Adjacent sequences: A298378 A298379 A298380 * A298382 A298383 A298384

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 18 2018

STATUS

approved